408305-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 408305-28-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,8,3,0 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 408305-28:
(8*4)+(7*0)+(6*8)+(5*3)+(4*0)+(3*5)+(2*2)+(1*8)=122
122 % 10 = 2
So 408305-28-2 is a valid CAS Registry Number.